Answer:

Step-by-step explanation:
To write the equation of a circle, use the formula
where the center of the circle is (h, k).
This means the equation is
.
Find the radius r by dividing the diameter of 10 in 2. The radius is 5.
So the equation of the circle is 
The correct answer is 0.5 as a decimal as a fraction it is 5/10 = 1/2 so it is what ever one u need 1/2 or 5/10 or 0.5. Hope this helps! ;D
2ways you can solve that is by multiplying 9 by 1 then by 5 or 9by 5 then by 1
Answer:
B. x-2y=6
Step-by-step explanation:
The answer would be C because he did not correct his mistakes that he had made